![Urchin barren](https://seagrant.noaa.gov/wp-content/uploads/2023/07/Barren_DaveWitting_NOAA-300x200.jpg)
Home Page Carousel
It Was A No-Eyed, Many-Spined, Grazing, Purple, Kelp-Eater
It seems like the premise of a horror movie: giant armies of purple sea urchins mysteriously congregating, marching across the sea floor, and mowing down entire kelp forests. But alas, this is no movie.